<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录失败</title>
</head>
<style>
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        background: url(images/bg9.jpg);
        font-family: Arial, sans-serif;
    }

    h2 {
        margin-bottom: 20px;
        text-align: center;
    }

    input[type="button"] {
        display: block;
        margin: 0 auto;
        padding: 10px 20px;
        color: white;
        background-color: #4CAF50;
    }
</style>
<body>

    <h2>Login failed. Please click the button below to return to the login interface</h2><br><br>
    <input type="button" value="Click to return to login" onclick="window.location.href='http://localhost:8080/login.html'">

</body>
</html>